Functions of Proteins (AQA A-Level Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What determines the specific functions of proteins in living organisms?
What determines the specific functions of proteins in living organisms?
Their molecular shape
Which type of protein has elongated, thread-like structures ideal for structural roles?
Which type of protein has elongated, thread-like structures ideal for structural roles?
Fibrous proteins
What is the primary role of globular proteins in living organisms?
What is the primary role of globular proteins in living organisms?
Metabolic functions
Which category of protein does collagen belong to?
Which category of protein does collagen belong to?
Fibrous protein
How many polypeptide chains wind together to form collagen's quaternary structure?
How many polypeptide chains wind together to form collagen's quaternary structure?
Three chains
What feature of collagen creates exceptional strength and stability?
What feature of collagen creates exceptional strength and stability?
Cross-linkages between amino acids
What is the primary function of tendons in the body?
What is the primary function of tendons in the body?
Connect muscles to bones
How does the staggered arrangement of collagen molecules benefit tendon structure?
How does the staggered arrangement of collagen molecules benefit tendon structure?
Prevents failure at specific locations
Which amino acid enables tight packing in collagen's tertiary structure?
Which amino acid enables tight packing in collagen's tertiary structure?
Glycine
What do fibrous proteins sacrifice to achieve strength and stability?
What do fibrous proteins sacrifice to achieve strength and stability?
Flexibility